To attach p-tolyl substituents to silicon atoms, you'll need to functionalize the silicon sites in the siloxane backbone. This can be done using various methods. One common method involves using chlorosilanes like trichlorosilane (SiCl3H) or alkoxysilanes like trimethoxysilane (Si(OCH3)3). These reagents can react with the silicon atoms in the siloxane backbone, replacing the oxygen atom with the desired p-tolyl group.
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